Cordingley puzzle 53

White to play and win

Solution

I saw the solution immediately: 1 Nf6+ is an obvious candidate move, followed by 2 Ne4+, noting that when Qg5+ the rook is LPDO. So all that had to be found was 3 Rdc2, and there is no retreat square which protects d8: and no back rank mate trick, so in practice I would play up to 3 Rdc2, then take on g5, and then see how black has responded.

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